TECHNICAL PAPERS: Gas Turbines: Heat Transfer and Turbomachinery

Flow and Heat Transfer in an Industrial Rotor-Stator Rim Sealing Cavity

[+] Author and Article Information
A. V. Mirzamoghadam, Z. Xiao

Advanced Engine Development, Siemens Westinghouse Power Corporation, 4400 Alafaya Trail, MC-205, Orlando, FL 32826

J. Eng. Gas Turbines Power 124(1), 125-132 (Feb 01, 2000) (8 pages) doi:10.1115/1.1400754 History: Received November 01, 1999; Revised February 01, 2000
Copyright © 2002 by ASME
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Rim seal cavity geometry
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CFD model geometry and grid
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Lab seal wall temperature distribution
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Rotor-stator wall temperature distribution
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Temperature rise in the labyrinth seal
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Temperature rise in the rotor-stator rim-seal cavity
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Mean swirl velocity ratio in the cavity
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Pressure drop in the labyrinth seal
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Mean static pressure distribution in the cavity
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Cavity/lab seal streamlines (showing outflow along rotor and inflow along stator)
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Rotor boundary layer thickness
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Nondimensional disk-wall heat flux profile
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Mass-flow parameter in the rim-seal cavity
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Increased cooling flow showing total outflow in lower subcavity




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